( '/[^0-9]/', '', $_COOKIE['wp-settings-time-' . $user->ID] ) : 0; if ( $saved > $last_time ) { update_user_option( $user->ID, 'user-settings', $cookie, false ); update_user_option( $user->ID, 'user-settings-time', time() - 5, false ); return; } } } setcookie( 'wp-settings-' . $user->ID, $settings, time() + 31536000, SITECOOKIEPATH ); setcookie( 'wp-settings-time-' . $user->ID, time(), time() + 31536000, SITECOOKIEPATH ); $_COOKIE['wp-settings-' . $user->ID] = $settings; } /** * Retrieve user interface setting value based on setting name. * * @package WordPress * @subpackage Option * @since 2.7.0 * * @param string $name The name of the setting. * @param string $default Optional default value to return when $name is not set. * @return mixed the last saved user setting or the default value/false if it doesn't exist. */ function get_user_setting( $name, $default = false ) { $all = get_all_user_settings(); return isset($all[$name]) ? $all[$name] : $default; } /** * Add or update user interface setting. * * Both $name and $value can contain only ASCII letters, numbers and underscores. * This function has to be used before any output has started as it calls setcookie(). * * @package WordPress * @subpackage Option * @since 2.8.0 * * @param string $name The name of the setting. * @param string $value The value for the setting. * @return bool true if set successfully/false if not. */ function set_user_setting( $name, $value ) { if ( headers_sent() ) return false; $all = get_all_user_settings(); $name = preg_replace( '/[^A-Za-z0-9_]+/', '', $name ); if ( empty($name) ) return false; $all[$name] = $value; return wp_set_all_user_settings($all); } /** * Delete user interface settings. * * Deleting settings would reset them to the defaults. * This function has to be used before any output has started as it calls setcookie(). * * @package WordPress * @subpackage Option * @since 2.7.0 * * @param mixed $names The name or array of names of the setting to be deleted. * @return bool true if deleted successfully/false if not. */ function delete_user_setting( $names ) { if ( headers_sent() ) return false; $all = get_all_user_settings(); $names = (array) $names; foreach ( $names as $name ) { if ( isset($all[$name]) ) { unset($all[$name]); $deleted = true; } } if ( isset($deleted) ) return wp_set_all_user_settings($all); return false; } /** * Retrieve all user interface settings. * * @package WordPress * @subpackage Option * @since 2.7.0 * * @return array the last saved user settings or empty array. */ function get_all_user_settings() { global $_updated_user_settings; if ( ! $user = wp_get_current_user() ) return array(); if ( isset($_updated_user_settings) && is_array($_updated_user_settings) ) return $_updated_user_settings; $all = array(); if ( isset($_COOKIE['wp-settings-' . $user->ID]) ) { $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] ); if ( $cookie && strpos($cookie, '=') ) // the '=' cannot be 1st char parse_str($cookie, $all); } else { $option = get_user_option('user-settings', $user->ID); if ( $option && is_string($option) ) parse_str( $option, $all ); } return $all; } /** * Private. Set all user interface settings. * * @package WordPress * @subpackage Option * @since 2.8.0 * * @param unknown $all * @return bool */ function wp_set_all_user_settings($all) { global $_updated_user_settings; if ( ! $user = wp_get_current_user() ) return false; $_updated_user_settings = $all; $settings = ''; foreach ( $all as $k => $v ) { $v = preg_replace( '/[^A-Za-z0-9_]+/', '', $v ); $settings .= $k . '=' . $v . '&'; } $settings = rtrim($settings, '&'); update_user_option( $user->ID, 'user-settings', $settings, false ); update_user_option( $user->ID, 'user-settings-time', time(), false ); return true; } /** * Delete the user settings of the current user. * * @package WordPress * @subpackage Option * @since 2.7.0 */ function delete_all_user_settings() { if ( ! $user = wp_get_current_user() ) return; update_user_option( $user->ID, 'user-settings', '', false ); setcookie('wp-settings-' . $user->ID, ' ', time() - 31536000, SITECOOKIEPATH); } /** * Serialize data, if needed. * * @since 2.0.5 * * @param mixed $data Data that might be serialized. * @return mixed A scalar data */ function maybe_serialize( $data ) { if ( is_array( $data ) || is_object( $data ) ) return serialize( $data ); // Double serialization is required for backward compatibility. // See http://core.trac.wordpress.org/ticket/12930 if ( is_serialized( $data ) ) return serialize( $data ); return $data; } /** * Retrieve post title from XMLRPC XML. * * If the title element is not part of the XML, then the default post title from * the $post_default_title will be used instead. * * @package WordPress * @subpackage XMLRPC * @since 0.71 * * @global string $post_default_title Default XMLRPC post title. * * @param string $content XMLRPC XML Request content * @return string Post title */ function xmlrpc_getposttitle( $content ) { global $post_default_title; if ( preg_match( '/(.+?)<\/title>/is', $content, $matchtitle ) ) { $post_title = $matchtitle[1]; } else { $post_title = $post_default_title; } return $post_title; } /** * Retrieve the post category or categories from XMLRPC XML. * * If the category element is not found, then the default post category will be * used. The return type then would be what $post_default_category. If the * category is found, then it will always be an array. * * @package WordPress * @subpackage XMLRPC * @since 0.71 * * @global string $post_default_category Default XMLRPC post category. * * @param string $content XMLRPC XML Request content * @return string|array List of categories or category name. */ function xmlrpc_getpostcategory( $content ) { global $post_default_category; if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) { $post_category = trim( $matchcat[1], ',' ); $post_category = explode( ',', $post_category ); } else { $post_category = $post_default_category; } return $post_category; } /** * XMLRPC XML content without title and category elements. * * @package WordPress * @subpackage XMLRPC * @since 0.71 * * @param string $content XMLRPC XML Request content * @return string XMLRPC XML Request content without title and category elements. */ function xmlrpc_removepostdata( $content ) { $content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content ); $content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content ); $content = trim( $content ); return $content; } /** * Open the file handle for debugging. * * This function is used for XMLRPC feature, but it is general purpose enough * to be used in anywhere. * * @see fopen() for mode options. * @package WordPress * @subpackage Debug * @since 0.71 * @uses $debug Used for whether debugging is enabled. * * @param string $filename File path to debug file. * @param string $mode Same as fopen() mode parameter. * @return bool|resource File handle. False on failure. */ function debug_fopen( $filename, $mode ) { global $debug; if ( 1 == $debug ) { $fp = fopen( $filename, $mode ); return $fp; } else { return false; } } /** * Write contents to the file used for debugging. * * Technically, this can be used to write to any file handle when the global * $debug is set to 1 or true. * * @package WordPress * @subpackage Debug * @since 0.71 * @uses $debug Used for whether debugging is enabled. * * @param resource $fp File handle for debugging file. * @param string $string Content to write to debug file. */ function debug_fwrite( $fp, $string ) { global $debug; if ( 1 == $debug ) fwrite( $fp, $string ); } /** * Close the debugging file handle. * * Technically, this can be used to close any file handle when the global $debug * is set to 1 or true. * * @package WordPress * @subpackage Debug * @since 0.71 * @uses $debug Used for whether debugging is enabled. * * @param resource $fp Debug File handle. */ function debug_fclose( $fp ) { global $debug; if ( 1 == $debug ) fclose( $fp ); } /** * Check content for video and audio links to add as enclosures. * * Will not add enclosures that have already been added and will * remove enclosures that are no longer in the post. This is called as * pingbacks and trackbacks. * * @package WordPress * @since 1.5.0 * * @uses $wpdb * * @param string $content Post Content * @param int $post_ID Post ID */ function do_enclose( $content, $post_ID ) { global $wpdb; //TODO: Tidy this ghetto code up and make the debug code optional include_once( ABSPATH . WPINC . '/class-IXR.php' ); $log = debug_fopen( ABSPATH . 'enclosures.log', 'a' ); $post_links = array(); debug_fwrite( $log, 'BEGIN ' . date( 'YmdHis', time() ) . "\n" ); $pung = get_enclosed( $post_ID ); $ltrs = '\w'; $gunk = '/#~:.?+=&%@!\-'; $punc = '.:?\-'; $any = $ltrs . $gunk . $punc; preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp ); debug_fwrite( $log, 'Post contents:' ); debug_fwrite( $log, $content . "\n" ); foreach ( $pung as $link_test ) { if ( !in_array( $link_test, $post_links_temp[0] ) ) { // link no longer in post $mid = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $link_test ) . '%') ); do_action( 'delete_postmeta', $mid ); $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE meta_id IN(%s)", implode( ',', $mid ) ) ); do_action( 'deleted_postmeta', $mid ); } } foreach ( (array) $post_links_temp[0] as $link_test ) { if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already $test = @parse_url( $link_test ); if ( false === $test ) continue; if ( isset( $test['query'] ) ) $post_links[] = $link_test; elseif ( isset($test['path']) && ( $test['path'] != '/' ) && ($test['path'] != '' ) ) $post_links[] = $link_test; } } foreach ( (array) $post_links as $url ) { if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $url ) . '%' ) ) ) { if ( $headers = wp_get_http_headers( $url) ) { $len = (int) $headers['content-length']; $type = $headers['content-type']; $allowed_types = array( 'video', 'audio' ); // Check to see if we can figure out the mime type from // the extension $url_parts = @parse_url( $url ); if ( false !== $url_parts ) { $extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION ); if ( !empty( $extension ) ) { foreach ( get_allowed_mime_types( ) as $exts => $mime ) { if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { $type = $mime; break; } } } } if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) { $meta_value = "$url\n$len\n$type\n"; $wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) ); do_action( 'added_postmeta', $wpdb->insert_id, $post_ID, 'enclosure', $meta_value ); } } } } } /** * Perform a HTTP HEAD or GET request. * * If $file_path is a writable filename, this will do a GET request and write * the file to that path. * * @since 2.5.0 * * @param string $url URL to fetch. * @param string|bool $file_path Optional. File path to write request to. * @param int $red (private) The number of Redirects followed, Upon 5 being hit, returns false. * @return bool|string False on failure and string of headers if HEAD request. */ function wp_get_http( $url, $file_path = false, $red = 1 ) { @set_time_limit( 60 ); if ( $red > 5 ) return false; $options = array(); $options['redirection'] = 5; if ( false == $file_path ) $options['method'] = 'HEAD'; else $options['method'] = 'GET'; $response = wp_remote_request($url, $options); if ( is_wp_error( $response ) ) return false; $headers = wp_remote_retrieve_headers( $response ); $headers['response'] = wp_remote_retrieve_response_code( $response ); // WP_HTTP no longer follows redirects for HEAD requests. if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) { return wp_get_http( $headers['location'], $file_path, ++$red ); } if ( false == $file_path ) return $headers; // GET request - write it to the supplied filename $out_fp = fopen($file_path, 'w'); if ( !$out_fp ) return $headers; fwrite( $out_fp, wp_remote_retrieve_body( $response ) ); fclose($out_fp); clearstatcache(); return $headers; } /** * Retrieve HTTP Headers from URL. * * @since 1.5.1 * * @param string $url * @param bool $deprecated Not Used. * @return bool|string False on failure, headers on success. */ function wp_get_http_headers( $url, $deprecated = false ) { if ( !empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '2.7' ); $response = wp_remote_head( $url ); if ( is_wp_error( $response ) ) return false; return wp_remote_retrieve_headers( $response ); } /** * Whether today is a new day. * * @since 0.71 * @uses $day Today * @uses $previousday Previous day * * @return int 1 when new day, 0 if not a new day. */ function is_new_day() { global $currentday, $previousday; if ( $currentday != $previousday ) return 1; else return 0; } /** * Build URL query based on an associative and, or indexed array. * * This is a convenient function for easily building url queries. It sets the * separator to '&' and uses _http_build_query() function. * * @see _http_build_query() Used to build the query * @link http://us2.php.net/manual/en/function.http-build-query.php more on what * http_build_query() does. * * @since 2.3.0 * * @param array $data URL-encode key/value pairs. * @return string URL encoded string */ function build_query( $data ) { return _http_build_query( $data, null, '&', '', false ); } // from php.net (modified by Mark Jaquith to behave like the native PHP5 function) function _http_build_query($data, $prefix=null, $sep=null, $key='', $urlencode=true) { $ret = array(); foreach ( (array) $data as $k => $v ) { if ( $urlencode) $k = urlencode($k); if ( is_int($k) && $prefix != null ) $k = $prefix.$k; if ( !empty($key) ) $k = $key . '%5B' . $k . '%5D'; if ( $v === NULL ) continue; elseif ( $v === FALSE ) $v = '0'; if ( is_array($v) || is_object($v) ) array_push($ret,_http_build_query($v, '', $sep, $k, $urlencode)); elseif ( $urlencode ) array_push($ret, $k.'='.urlencode($v)); else array_push($ret, $k.'='.$v); } if ( NULL === $sep ) $sep = ini_get('arg_separator.output'); return implode($sep, $ret); } /** * Retrieve a modified URL query string. * * You can rebuild the URL and append a new query variable to the URL query by * using this function. You can also retrieve the full URL with query data. * * Adding a single key & value or an associative array. Setting a key value to * an empty string removes the key. Omitting oldquery_or_uri uses the $_SERVER * value. Additional values provided are expected to be encoded appropriately * with urlencode() or rawurlencode(). * * @since 1.5.0 * * @param mixed $param1 Either newkey or an associative_array * @param mixed $param2 Either newvalue or oldquery or uri * @param mixed $param3 Optional. Old query or uri * @return string New URL query string. */ function add_query_arg() { $ret = ''; if ( is_array( func_get_arg(0) ) ) { if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) ) $uri = $_SERVER['REQUEST_URI']; else $uri = @func_get_arg( 1 ); } else { if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) ) $uri = $_SERVER['REQUEST_URI']; else $uri = @func_get_arg( 2 ); } if ( $frag = strstr( $uri, '#' ) ) $uri = substr( $uri, 0, -strlen( $frag ) ); else $frag = ''; if ( preg_match( '|^https?://|i', $uri, $matches ) ) { $protocol = $matches[0]; $uri = substr( $uri, strlen( $protocol ) ); } else { $protocol = ''; } if ( strpos( $uri, '?' ) !== false ) { $parts = explode( '?', $uri, 2 ); if ( 1 == count( $parts ) ) { $base = '?'; $query = $parts[0]; } else { $base = $parts[0] . '?'; $query = $parts[1]; } } elseif ( !empty( $protocol ) || strpos( $uri, '=' ) === false ) { $base = $uri . '?'; $query = ''; } else { $base = ''; $query = $uri; } wp_parse_str( $query, $qs ); $qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string if ( is_array( func_get_arg( 0 ) ) ) { $kayvees = func_get_arg( 0 ); $qs = array_merge( $qs, $kayvees ); } else { $qs[func_get_arg( 0 )] = func_get_arg( 1 ); } foreach ( (array) $qs as $k => $v ) { if ( $v === false ) unset( $qs[$k] ); } $ret = build_query( $qs ); $ret = trim( $ret, '?' ); $ret = preg_replace( '#=(&|$)#', '$1', $ret ); $ret = $protocol . $base . $ret . $frag; $ret = rtrim( $ret, '?' ); return $ret; } /** * Removes an item or list from the query string. * * @since 1.5.0 * * @param string|array $key Query key or keys to remove. * @param bool $query When false uses the $_SERVER value. * @return string New URL query string. */ function remove_query_arg( $key, $query=false ) { if ( is_array( $key ) ) { // removing multiple keys foreach ( $key as $k ) $query = add_query_arg( $k, false, $query ); return $query; } return add_query_arg( $key, false, $query ); } /** * Walks the array while sanitizing the contents. * * @since 0.71 * * @param array $array Array to used to walk while sanitizing contents. * @return array Sanitized $array. */ function add_magic_quotes( $array ) { foreach ( (array) $array as $k => $v ) { if ( is_array( $v ) ) { $array[$k] = add_magic_quotes( $v ); } else { $array[$k] = addslashes( $v ); } } return $array; } /** * HTTP request for URI to retrieve content. * * @since 1.5.1 * @uses wp_remote_get() * * @param string $uri URI/URL of web page to retrieve. * @return bool|string HTTP content. False on failure. */ function wp_remote_fopen( $uri ) { $parsed_url = @parse_url( $uri ); if ( !$parsed_url || !is_array( $parsed_url ) ) return false; $options = array(); $options['timeout'] = 10; $response = wp_remote_get( $uri, $options ); if ( is_wp_error( $response ) ) return false; return wp_remote_retrieve_body( $response ); } /** * Set up the WordPress query. * * @since 2.0.0 * * @param string $query_vars Default WP_Query arguments. */ function wp( $query_vars = '' ) { global $wp, $wp_query, $wp_the_query; $wp->main( $query_vars ); if ( !isset($wp_the_query) ) $wp_the_query = $wp_query; } /** * Retrieve the description for the HTTP status. * * @since 2.3.0 * * @param int $code HTTP status code. * @return string Empty string if not found, or description if found. */ function get_status_header_desc( $code ) { global $wp_header_to_desc; $code = absint( $code ); if ( !isset( $wp_header_to_desc ) ) { $wp_header_to_desc = array( 100 => 'Continue', 101 => 'Switching Protocols', 102 => 'Processing', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 207 => 'Multi-Status', 226 => 'IM Used', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 306 => 'Reserved', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Timeout', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Long', 415 => 'Unsupported Media Type', 416 => 'Requested Range Not Satisfiable', 417 => 'Expectation Failed', 422 => 'Unprocessable Entity', 423 => 'Locked', 424 => 'Failed Dependency', 426 => 'Upgrade Required', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Timeout', 505 => 'HTTP Version Not Supported', 506 => 'Variant Also Negotiates', 507 => 'Insufficient Storage', 510 => 'Not Extended' ); } if ( isset( $wp_header_to_desc[$code] ) ) return $wp_header_to_desc[$code]; else return ''; } /** * Set HTTP status header. * * @since 2.0.0 * @uses apply_filters() Calls 'status_header' on status header string, HTTP * HTTP code, HTTP code description, and protocol string as separate * parameters. * * @param int $header HTTP status code * @return unknown */ function status_header( $header ) { $text = get_status_header_desc( $header ); if ( empty( $text ) ) return false; $protocol = $_SERVER["SERVER_PROTOCOL"]; if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) $protocol = 'HTTP/1.0'; $status_header = "$protocol $header $text"; if ( function_exists( 'apply_filters' ) ) $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol ); return @header( $status_header, true, $header ); } /** * Gets the header information to prevent caching. * * The several different headers cover the different ways cache prevention is handled * by different browsers * * @since 2.8.0 * * @uses apply_filters() * @return array The associative array of header names and field values. */ function wp_get_nocache_headers() { $headers = array( 'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT', 'Last-Modified' => gmdate( 'D, d M Y H:i:s' ) . ' GMT', 'Cache-Control' => 'no-cache, must-revalidate, max-age=0', 'Pragma' => 'no-cache', ); if ( function_exists('apply_filters') ) { $headers = (array) apply_filters('nocache_headers', $headers); } return $headers; } /** * Sets the headers to prevent caching for the different browsers. * * Different browsers support different nocache headers, so several headers must * be sent so that all of them get the point that no caching should occur. * * @since 2.0.0 * @uses wp_get_nocache_headers() */ function nocache_headers() { $headers = wp_get_nocache_headers(); foreach( $headers as $name => $field_value ) @header("{$name}: {$field_value}"); } /** * Set the headers for caching for 10 days with JavaScript content type. * * @since 2.1.0 */ function cache_javascript_headers() { $expiresOffset = 864000; // 10 days header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) ); header( "Vary: Accept-Encoding" ); // Handle proxies header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" ); } /** * Retrieve the number of database queries during the WordPress execution. * * @since 2.0.0 * * @return int Number of database queries */ function get_num_queries() { global $wpdb; return $wpdb->num_queries; } /** * Whether input is yes or no. Must be 'y' to be true. * * @since 1.0.0 * * @param string $yn Character string containing either 'y' or 'n' * @return bool True if yes, false on anything else */ function bool_from_yn( $yn ) { return ( strtolower( $yn ) == 'y' ); } /** * Loads the feed template from the use of an action hook. * * If the feed action does not have a hook, then the function will die with a * message telling the visitor that the feed is not valid. * * It is better to only have one hook for each feed. * * @since 2.1.0 * @uses $wp_query Used to tell if the use a comment feed. * @uses do_action() Calls 'do_feed_$feed' hook, if a hook exists for the feed. */ function do_feed() { global $wp_query; $feed = get_query_var( 'feed' ); // Remove the pad, if present. $feed = preg_replace( '/^_+/', '', $feed ); if ( $feed == '' || $feed == 'feed' ) $feed = get_default_feed(); $hook = 'do_feed_' . $feed; if ( !has_action($hook) ) { $message = sprintf( __( 'ERROR: %s is not a valid feed template.' ), esc_html($feed)); wp_die( $message, '', array( 'response' => 404 ) ); } do_action( $hook, $wp_query->is_comment_feed ); } /** * Load the RDF RSS 0.91 Feed template. * * @since 2.1.0 */ function do_feed_rdf() { load_template( ABSPATH . WPINC . '/feed-rdf.php' ); } /** * Load the RSS 1.0 Feed Template. * * @since 2.1.0 */ function do_feed_rss() { load_template( ABSPATH . WPINC . '/feed-rss.php' ); } /** * Load either the RSS2 comment feed or the RSS2 posts feed. * * @since 2.1.0 * * @param bool $for_comments True for the comment feed, false for normal feed. */ function do_feed_rss2( $for_comments ) { if ( $for_comments ) load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' ); else load_template( ABSPATH . WPINC . '/feed-rss2.php' ); } /** * Load either Atom comment feed or Atom posts feed. * * @since 2.1.0 * * @param bool $for_comments True for the comment feed, false for normal feed. */ function do_feed_atom( $for_comments ) { if ($for_comments) load_template( ABSPATH . WPINC . '/feed-atom-comments.php'); else load_template( ABSPATH . WPINC . '/feed-atom.php' ); } /** * Display the robots.txt file content. * * The echo content should be with usage of the permalinks or for creating the * robots.txt file. * * @since 2.1.0 * @uses do_action() Calls 'do_robotstxt' hook for displaying robots.txt rules. */ function do_robots() { header( 'Content-Type: text/plain; charset=utf-8' ); do_action( 'do_robotstxt' ); $output = "User-agent: *\n"; $public = get_option( 'blog_public' ); if ( '0' == $public ) { $output .= "Disallow: /\n"; } else { $site_url = parse_url( site_url() ); $path = ( !empty( $site_url['path'] ) ) ? $site_url['path'] : ''; $output .= "Disallow: $path/wp-admin/\n"; $output .= "Disallow: $path/wp-includes/\n"; } echo apply_filters('robots_txt', $output, $public); } /** * Test whether blog is already installed. * * The cache will be checked first. If you have a cache plugin, which saves the * cache values, then this will work. If you use the default WordPress cache, * and the database goes away, then you might have problems. * * Checks for the option siteurl for whether WordPress is installed. * * @since 2.1.0 * @uses $wpdb * * @return bool Whether blog is already installed. */ function is_blog_installed() { global $wpdb; // Check cache first. If options table goes away and we have true cached, oh well. if ( wp_cache_get( 'is_blog_installed' ) ) return true; $suppress = $wpdb->suppress_errors(); if ( ! defined( 'WP_INSTALLING' ) ) { $alloptions = wp_load_alloptions(); } // If siteurl is not set to autoload, check it specifically if ( !isset( $alloptions['siteurl'] ) ) $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" ); else $installed = $alloptions['siteurl']; $wpdb->suppress_errors( $suppress ); $installed = !empty( $installed ); wp_cache_set( 'is_blog_installed', $installed ); if ( $installed ) return true; // If visiting repair.php, return true and let it take over. if ( defined( 'WP_REPAIRING' ) ) return true; $suppress = $wpdb->suppress_errors(); // Loop over the WP tables. If none exist, then scratch install is allowed. // If one or more exist, suggest table repair since we got here because the options // table could not be accessed. $wp_tables = $wpdb->tables(); foreach ( $wp_tables as $table ) { // The existence of custom user tables shouldn't suggest an insane state or prevent a clean install. if ( defined( 'CUSTOM_USER_TABLE' ) && CUSTOM_USER_TABLE == $table ) continue; if ( defined( 'CUSTOM_USER_META_TABLE' ) && CUSTOM_USER_META_TABLE == $table ) continue; if ( ! $wpdb->get_results( "DESCRIBE $table;" ) ) continue; // One or more tables exist. We are insane. // Die with a DB error. $wpdb->error = sprintf( /*WP_I18N_NO_TABLES*/'One or more database tables are unavailable. The database may need to be <a href="%s">repaired</a>.'/*/WP_I18N_NO_TABLES*/, 'maint/repair.php?referrer=is_blog_installed' ); dead_db(); } $wpdb->suppress_errors( $suppress ); wp_cache_set( 'is_blog_installed', false ); return false; } /** * Retrieve URL with nonce added to URL query. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param string $actionurl URL to add nonce action * @param string $action Optional. Nonce action name * @return string URL with nonce action added. */ function wp_nonce_url( $actionurl, $action = -1 ) { $actionurl = str_replace( '&', '&', $actionurl ); return esc_html( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) ); } /** * Retrieve or display nonce hidden field for forms. * * The nonce field is used to validate that the contents of the form came from * the location on the current site and not somewhere else. The nonce does not * offer absolute protection, but should protect against most cases. It is very * important to use nonce field in forms. * * The $action and $name are optional, but if you want to have better security, * it is strongly suggested to set those two parameters. It is easier to just * call the function without any parameters, because validation of the nonce * doesn't require any parameters, but since crackers know what the default is * it won't be difficult for them to find a way around your nonce and cause * damage. * * The input name will be whatever $name value you gave. The input value will be * the nonce creation value. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param string $action Optional. Action name. * @param string $name Optional. Nonce name. * @param bool $referer Optional, default true. Whether to set the referer field for validation. * @param bool $echo Optional, default true. Whether to display or return hidden form field. * @return string Nonce field. */ function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) { $name = esc_attr( $name ); $nonce_field = '<input type="hidden" id="' . $name . '" name="' . $name . '" value="' . wp_create_nonce( $action ) . '" />'; if ( $referer ) $nonce_field .= wp_referer_field( false ); if ( $echo ) echo $nonce_field; return $nonce_field; } /** * Retrieve or display referer hidden field for forms. * * The referer link is the current Request URI from the server super global. The * input name is '_wp_http_referer', in case you wanted to check manually. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param bool $echo Whether to echo or return the referer field. * @return string Referer field. */ function wp_referer_field( $echo = true ) { $ref = esc_attr( $_SERVER['REQUEST_URI'] ); $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />'; if ( $echo ) echo $referer_field; return $referer_field; } /** * Retrieve or display original referer hidden field for forms. * * The input name is '_wp_original_http_referer' and will be either the same * value of {@link wp_referer_field()}, if that was posted already or it will * be the current page, if it doesn't exist. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param bool $echo Whether to echo the original http referer * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to. * @return string Original referer field. */ function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) { $jump_back_to = ( 'previous' == $jump_back_to ) ? wp_get_referer() : $_SERVER['REQUEST_URI']; $ref = ( wp_get_original_referer() ) ? wp_get_original_referer() : $jump_back_to; $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( stripslashes( $ref ) ) . '" />'; if ( $echo ) echo $orig_referer_field; return $orig_referer_field; } /** * Retrieve referer from '_wp_http_referer' or HTTP referer. If it's the same * as the current request URL, will return false. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @return string|bool False on failure. Referer URL on success. */ function wp_get_referer() { $ref = false; if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) $ref = $_REQUEST['_wp_http_referer']; else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) $ref = $_SERVER['HTTP_REFERER']; if ( $ref && $ref !== $_SERVER['REQUEST_URI'] ) return $ref; return false; } /** * Retrieve original referer that was posted, if it exists. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @return string|bool False if no original referer or original referer if set. */ function wp_get_original_referer() { if ( !empty( $_REQUEST['_wp_original_http_referer'] ) ) return $_REQUEST['_wp_original_http_referer']; return false; } /** * Recursive directory creation based on full path. * * Will attempt to set permissions on folders. * * @since 2.0.1 * * @param string $target Full path to attempt to create. * @return bool Whether the path was created. True if path already exists. */ function wp_mkdir_p( $target ) { // from php.net/mkdir user contributed notes $target = str_replace( '//', '/', $target ); // safe mode fails with a trailing slash under certain PHP versions. $target = rtrim($target, '/'); // Use rtrim() instead of untrailingslashit to avoid formatting.php dependency. if ( empty($target) ) $target = '/'; if ( file_exists( $target ) ) return @is_dir( $target ); // Attempting to create the directory may clutter up our display. if ( @mkdir( $target ) ) { $stat = @stat( dirname( $target ) ); $dir_perms = $stat['mode'] & 0007777; // Get the permission bits. @chmod( $target, $dir_perms ); return true; } elseif ( is_dir( dirname( $target ) ) ) { return false; } // If the above failed, attempt to create the parent node, then try again. if ( ( $target != '/' ) && ( wp_mkdir_p( dirname( $target ) ) ) ) return wp_mkdir_p( $target ); return false; } /** * Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows'). * * @since 2.5.0 * * @param string $path File path * @return bool True if path is absolute, false is not absolute. */ function path_is_absolute( $path ) { // this is definitive if true but fails if $path does not exist or contains a symbolic link if ( realpath($path) == $path ) return true; if ( strlen($path) == 0 || $path[0] == '.' ) return false; // windows allows absolute paths like this if ( preg_match('#^[a-zA-Z]:\\\\#', $path) ) return true; // a path starting with / or \ is absolute; anything else is relative return ( $path[0] == '/' || $path[0] == '\\' ); } /** * Join two filesystem paths together (e.g. 'give me $path relative to $base'). * * If the $path is absolute, then it the full path is returned. * * @since 2.5.0 * * @param string $base * @param string $path * @return string The path with the base or absolute path. */ function path_join( $base, $path ) { if ( path_is_absolute($path) ) return $path; return rtrim($base, '/') . '/' . ltrim($path, '/'); } /** * Determines a writable directory for temporary files. * Function's preference is to WP_CONTENT_DIR followed by the return value of <code>sys_get_temp_dir()</code>, before finally defaulting to /tmp/ * * In the event that this function does not find a writable location, It may be overridden by the <code>WP_TEMP_DIR</code> constant in your <code>wp-config.php</code> file. * * @since 2.5.0 * * @return string Writable temporary directory */ function get_temp_dir() { static $temp; if ( defined('WP_TEMP_DIR') ) return trailingslashit(WP_TEMP_DIR); if ( $temp ) return trailingslashit($temp); $temp = WP_CONTENT_DIR . '/'; if ( is_dir($temp) && @is_writable($temp) ) return $temp; if ( function_exists('sys_get_temp_dir') ) { $temp = sys_get_temp_dir(); if ( @is_writable($temp) ) return trailingslashit($temp); } $temp = ini_get('upload_tmp_dir'); if ( is_dir($temp) && @is_writable($temp) ) return trailingslashit($temp); $temp = '/tmp/'; return $temp; } /** * Get an array containing the current upload directory's path and url. * * Checks the 'upload_path' option, which should be from the web root folder, * and if it isn't empty it will be used. If it is empty, then the path will be * 'WP_CONTENT_DIR/uploads'. If the 'UPLOADS' constant is defined, then it will * override the 'upload_path' option and 'WP_CONTENT_DIR/uploads' path. * * The upload URL path is set either by the 'upload_url_path' option or by using * the 'WP_CONTENT_URL' constant and appending '/uploads' to the path. * * If the 'uploads_use_yearmonth_folders' is set to true (checkbox if checked in * the administration settings panel), then the time will be used. The format * will be year first and then month. * * If the path couldn't be created, then an error will be returned with the key * 'error' containing the error message. The error suggests that the parent * directory is not writable by the server. * * On success, the returned array will have many indices: * 'path' - base directory and sub directory or full path to upload directory. * 'url' - base url and sub directory or absolute URL to upload directory. * 'subdir' - sub directory if uploads use year/month folders option is on. * 'basedir' - path without subdir. * 'baseurl' - URL path without subdir. * 'error' - set to false. * * @since 2.0.0 * @uses apply_filters() Calls 'upload_dir' on returned array. * * @param string $time Optional. Time formatted in 'yyyy/mm'. * @return array See above for description. */ function wp_upload_dir( $time = null ) { global $switched; $siteurl = get_option( 'siteurl' ); $upload_path = get_option( 'upload_path' ); $upload_path = trim($upload_path); $main_override = is_multisite() && defined( 'MULTISITE' ) && is_main_site(); if ( empty($upload_path) ) { $dir = WP_CONTENT_DIR . '/uploads'; } else { $dir = $upload_path; if ( 'wp-content/uploads' == $upload_path ) { $dir = WP_CONTENT_DIR . '/uploads'; } elseif ( 0 !== strpos($dir, ABSPATH) ) { // $dir is absolute, $upload_path is (maybe) relative to ABSPATH $dir = path_join( ABSPATH, $dir ); } } if ( !$url = get_option( 'upload_url_path' ) ) { if ( empty($upload_path) || ( 'wp-content/uploads' == $upload_path ) || ( $upload_path == $dir ) ) $url = WP_CONTENT_URL . '/uploads'; else $url = trailingslashit( $siteurl ) . $upload_path; } if ( defined('UPLOADS') && !$main_override && ( !isset( $switched ) || $switched === false ) ) { $dir = ABSPATH . UPLOADS; $url = trailingslashit( $siteurl ) . UPLOADS; } if ( is_multisite() && !$main_override && ( !isset( $switched ) || $switched === false ) ) { if ( defined( 'BLOGUPLOADDIR' ) ) $dir = untrailingslashit(BLOGUPLOADDIR); $url = str_replace( UPLOADS, 'files', $url ); } $bdir = $dir; $burl = $url; $subdir = ''; if ( get_option( 'uploads_use_yearmonth_folders' ) ) { // Generate the yearly and monthly dirs if ( !$time ) $time = current_time( 'mysql' ); $y = substr( $time, 0, 4 ); $m = substr( $time, 5, 2 ); $subdir = "/$y/$m"; } $dir .= $subdir; $url .= $subdir; $uploads = apply_filters( 'upload_dir', array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ) ); // Make sure we have an uploads dir if ( ! wp_mkdir_p( $uploads['path'] ) ) { $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $uploads['path'] ); return array( 'error' => $message ); } return $uploads; } /** * Get a filename that is sanitized and unique for the given directory. * * If the filename is not unique, then a number will be added to the filename * before the extension, and will continue adding numbers until the filename is * unique. * * The callback is passed three parameters, the first one is the directory, the * second is the filename, and the third is the extension. * * @since 2.5.0 * * @param string $dir * @param string $filename * @param mixed $unique_filename_callback Callback. * @return string New filename, if given wasn't unique. */ function wp_unique_filename( $dir, $filename, $<br /> <b>Fatal error</b>: Call to undefined function is_blog_installed() in <b>/home/carmenghernandez/hab-com.com/wp-includes/load.php</b> on line <b>429</b><br /> <br /> <b>Warning</b>: call_user_func_array() expects parameter 1 to be a valid callback, function 'wp_ob_end_flush_all' not found or invalid function name in <b>/home/carmenghernandez/hab-com.com/wp-includes/plugin.php</b> on line <b>405</b><br />